Using the Front Panel for Operations27All the HDDs in one extension unit can be removed at the sametime.Also, refer to the network disk recorder's Installation Guide.1 Insert the key (included) into the key hole and turn itwhile pressing in gently to open the front cover.The following operation is done on the networkdisk recorder2 Press the [USE] button for over 2 seconds.A buzzer sounds.Press the front panel buttons according to the directions onthe LCD.3 Press the arrow buttons (up or down) on the front paneluntil [HDD Operation] appears on the screen.4 Press the [SET] button.5 Press the arrow buttons (up or down) on the front paneluntil [Remove EXT] appears on the screen.6 Select [YES] with the arrow buttons (left or right) andthen press the [SET] button.7 Select the extension unit (EXTx) to be removed with thearrow buttons (up or down) and then press the [SET]button.8 Select [YES] with the arrow buttons (left or right) andthen press the [SET] button.The extension unit stop process begins and all the HDDstatus indicator blink orange.All the HDD status indicator go off once the stop process iscomplete.• If you stop the extension unit during recording, recordingswitches to another HDD. Images are not recorded for afew seconds while recording switches. If another devicewith an HDD is not available, recording stops.Press the [SET] button to return to the time display formatscreen.9 Make sure that all the HDD status indicator on theextension unit are out, and then remove the HDD units.(1) Press the knob on the HDD unit.(2) Open the lever.(3) Remove the HDD unit.Remove the HDD carefully so you do not bump it (becareful not to drop it).10 Close the front cover of the extension unit and lock it bylightly pressing and turning the key to the left.• Keep the key in a safe place.Removing HDDs by unit(1)(2)(3)(2)(2)(1)(2)(1)